Overview:


The Stata files afd_party_results.dta, afd1.dta, afd2.dta, spd.dta, thailand.dta, and ptp subsamples figure3.dta contain the relevant variables for the three examples of Facebook sampling.
afd_party_results.dta consists of the official AfD referendum and party convention results and is not panel data.

The do file replication.do contains the code to replicate the results reported in the figures and table of the article.

The files MGB.Abschnitt1.Auswertung.pdf, MGB.Abschnitt3.Auswertung.pdf, and AfD Protokoll-Bundesparteitag-Essen.pdf contain official AfD data on the online referendum 2014 and the party convention 2015 in German, which are used in Table 1.
The exact items of afd_party_results.dta can be found here:
Item "referenda": p. 17 in MGB.Abschnitt3.Auswertung.pdf
Item "gender_quotas": p. 22 in MGB.Abschnitt1.Auswertung.pdf
Item "gender_MS": p. 21 in MGB.Abschnitt1.Auswertung.pdf
Item "minimum_wage": p. 16 in MGB.Abschnitt1.Auswertung.pdf
Item "ttip": p. 14 in MGB.Abschnitt1.Auswertung.pdf
Item "luckepetry": p. 7 in AfD Protokoll-Bundesparteitag-Essen.pdf







